<![CDATA[Knife-edge ridge is a form of alveolar ridge caused by frequent lateral resorption, which affects the ridge edentulus, particularly the posterior region of the lower jaw. Treatment options for knife edge ridge generally include surgical and non-surgical approaches. The non-surgical approach involves fabricating a conventional removable denture using various materials and modified impres-sion techniques. This case report describes the complete denture management of mandibular knife edge ridge using special im-pression techniques. A 59-year-old male came to Unhas Dental Hospital with complaints of difficulty chewing food due to the loss of all his teeth. Intraoral examination found a knife edge ridge on the posterior region of the lower jaw. The patient was made CD with selective pressure and open window impression techniques and tooth preparation with the concept of lingualised occlusion. It was concluded that management of knife edge ridge at lower jaw using special impression technique and lingualised occlu-sion scheme can improve the retention and stability of CD.]]>
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